Bloodhound's Regression Instinct - Chapter 250

A world where mana density was extremely abundant. Because of that, the world connected to a special place through an ancient gate—the World of Beasts. Through this connection with beasts, mankind became superhuman, wielding power capable of tearing apart sky and ground.However, too much of anything is never a good thing. Countless dungeons appeared across the rifts… and demons.Rocky Stephens, the first son of a Great Clan, the reincarnator, carrying memories from another world.… yet also a useless piece of trash. No one even remembered his name. His parents died. Betrayed by the branch clan, his beast was killed. He lived in a phase he had never dreamed of—a nightmare.When a second chance came, he returned to the World of Beasts… and awakened a system that could see through all Beasts’ training paths!With the system, his beast could level up like the wind… it could learn and upgrade its skills on its own, and even more.

Before his death, he was the only sword cultivator in the whole world, who dedicated his entire life to the path of sword immortality.

When he opened his eyes again, the world had completely changed. He began to cultivate the path of sword immortality again, slaying the heavenly way, shattering the universe with his will, and achieving the realm of sword immortality!

- Description from Novelupdates

Ethan transmigrated from earth to a post apocalyptic martial world with a system.His system has only one function: Double the attribute every day. Watch him rising in the universe with a pace faster than the speed of light.

Miracles don’t come walking your way by themselves.